TY  - JOUR
AU  - Michael Levin
TI  - Inessentiality with respect to subspaces
JO  - Fundamenta Mathematicae
PY  - 1995
SP  - 93
EP  - 98
VL  - 147
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-147-1-93-68/
DO  - 10.4064/fm-147-1-93-68
LA  - en
ID  - 10_4064_fm_147_1_93_68
ER  -